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Considering it's 10 quarts of full synth I would let them do the two free. I would buy jack pads and install them first though so they lift it properly. I work in auto parts so I get my oil dirt cheap and I buy the filter at my local dealer so they have a record of filter purchases to go along with OnStar resets. Mine only takes 5.5 quarts and I can do it under $20 so I do it myself quicker then it takes me to drive there. And mine is a 2016 and I was offered 2.
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